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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id f128-20020a4a5886000000b0057bb326cad4sm2272915oob.33.2023.09.29.10.25.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 10:25:56 -0700 (PDT) From: David Lechner To: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-staging@lists.linux.dev Cc: David Lechner , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Axel Haslam , Philip Molloy , linux-kernel@vger.kernel.org, David Lechner Subject: [PATCH v3 11/27] staging: iio: resolver: ad2s1210: add debugfs reg access Date: Fri, 29 Sep 2023 12:23:16 -0500 Message-ID: <20230929-ad2s1210-mainline-v3-11-fa4364281745@baylibre.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230929-ad2s1210-mainline-v3-0-fa4364281745@baylibre.com> References: <20230929-ad2s1210-mainline-v3-0-fa4364281745@baylibre.com> MIME-Version: 1.0 X-Mailer: b4 0.12.3 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Fri, 29 Sep 2023 10:27:23 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778474643343868066 X-GMAIL-MSGID: 1778937655894753853 From: David Lechner From: David Lechner This add an implementation of debugfs_reg_access for the AD2S1210 driver. Signed-off-by: David Lechner --- v3 changes: None drivers/staging/iio/resolver/ad2s1210.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 0663a51d04ad..31415fbb6384 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -614,9 +614,29 @@ static int ad2s1210_initial(struct ad2s1210_state *st) return ret; } +static int ad2s1210_debugfs_reg_access(struct iio_dev *indio_dev, + unsigned int reg, unsigned int writeval, + unsigned int *readval) +{ + struct ad2s1210_state *st = iio_priv(indio_dev); + int ret; + + mutex_lock(&st->lock); + + if (readval) + ret = regmap_read(st->regmap, reg, readval); + else + ret = regmap_write(st->regmap, reg, writeval); + + mutex_unlock(&st->lock); + + return ret; +} + static const struct iio_info ad2s1210_info = { .read_raw = ad2s1210_read_raw, .attrs = &ad2s1210_attribute_group, + .debugfs_reg_access = &ad2s1210_debugfs_reg_access, }; static int ad2s1210_setup_clocks(struct ad2s1210_state *st)